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perf top: Filter symbols based on __map__is_kernel(map)

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Instead of using dso->kernel, this is equivalent at the moment,
and helps in reducing the accesses to dso->kernel.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-1pc2v63iphtifovw3bv0bo1v@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-09-23 15:15:54 -03:00
parent 18ab2cd3ee
commit cfc5acd4c8
1 changed files with 1 additions and 1 deletions
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2
tools/perf/builtin-top.c
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@ -655,7 +655,7 @@ static int symbol_filter(struct map *map, struct symbol *sym)
{
const char *name = sym->name;
if (!map->dso->kernel)
if (!__map__is_kernel(map))
return 0;
/*
* ppc64 uses function descriptors and appends a '.' to the